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Razer Lachesis 3G Laser Gaming Mouse Announced


Razer Lachesis™ utilizes the Razer 3G Laser Sensor, achieving unheard-of precision, speed and tracking

Razer™, the leading manufacturer of high-end precision gaming and lifestyle electronics peripherals, announced the Razer Lachesis™ high-precision 3G laser gaming mouse at Games Convention in Leipzig, Germany. Utilizing the brand new Razer 3G Laser Sensor™, the Razer Lachesis is the pinnacle achievement in gaming mice.

Complementing the highly acclaimed Razer 3G Optical Sensor, Razer incorporated similar groundbreaking advancements in sensor technology, creating the Razer 3G Laser Sensor. Combining incredible precision of true 4000DPI and superior tracking speeds of up to 100 Inches Per Second (IPS), compared to other laser mice, the Razer 3G Laser Sensor provides vast improvements in tracking performance over any other laser sensor. The precision laser technology and the unprecedented speed at which the Razer 3G Laser Sensor tracks make it the optimal laser sensor for low and high sensitivity gamers. The Razer 3G Laser Sensor also stops tracking at much lower lift-off levels* than any other laser sensor, preventing tracking errors when the Razer Lachesis is lifted off its tracking surface.

Laser Sensor Comparison Chart

1G Laser 2G Laser Razer 3G Laser
Sensitivity (DPI) 2000 3200 4000
Tracking Speed (IPS) 45 45-65 60-100
Acceleration (g) 20 20 25

With the introduction of the Razer 3G Laser Sensor, Razer unveils the first mousing sensor to offer true DPI increments modified by hardware, as opposed to other sensors that use smoke and mirrors via software interpolation to estimate the user’s defined DPI. Additionally, since the Razer 3G Laser Sensor is housed within the Razer Lachesis, gamers can also make the most of Razer Synapse™, allowing users to switch DPI on-the-fly, without drivers.

“None of the DPI numbers on our mice are interpolated figures, which other mouse makers’ achieve by enabling tweaking of the software included with their mice. Our DPI specifications are all hardware-based, which essentially means what you see is what you get – true DPI,” said Robert “Razerguy” Krakoff, president of Razer. “We’ve also included two more buttons right below the scroll wheel with which gamers can cycle through pre-determined DPI stages. We’ve heard the communities’ requests for true on-the-fly DPI switching and we’ve designed the Razer Lachesis to make it possible.”

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The Razer Lachesis’ ambidexterity is favorable to gamers who prefer a “claw grip” on their mice for faster and more precisely controlled swipes. The Razer Lachesis features a rubberized non-slip matte finish, with a glowing scroll wheel and pulsating Razer logo.

Razer Lachesis Features:

  • 4000DPI 3G Laser Sensor
  • 60 – 100 IPS*
  • Improved Lift-off Distance
  • Razer Synapse™ 32kb Onboard Memory
  • Variable DPI settings in 125DPI increments
  • 1000Hz Ultrapolling™ / 1ms response
  • Nine independently programmable Hyperesponse™ buttons
  • On-The-Fly Sensitivity
  • Always-On™ mode
  • Ultra-large non-slip buttons
  • 16-bit ultra-wide data path
  • Zero-acoustic Ultraslick™ Teflon feet
  • Gold-plated USB connector
  • Seven-foot, lightweight, non-tangle cord
  • Ambidextrous design
  • Approximate size: 129mm (length) x 71mm (width) x 40mm (height)
  • Approximate weight: 128g

The Razer Lachesis in two colors, Phantom White and Banshee Blue, retails for US$79.99 and will go on sale globally in October 2007. More information can be found on

*Depends on the surface the Razer Lachesis is used on.

About Razer
Headquartered in Carlsbad, California, Razer collaborates with gamers to develop, manufacture and market cutting-edge gaming peripherals utilizing proprietary technologies that give gamers the competitive edge. Razer products have earned critical praise and won multiple awards from around the world for their precision, sensitivity, usability and distinctions in product design. Engineered to near perfection, Razer’s reputation of being the leader in gaming peripheral technology is embodied in every single Razer product. For more information, please visit


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